Plumber&#39;s coupling or union



June 10, 1924.

E. J. CLOBRIDGE' PLUMBER'S COUPLING 0R UNION Filed March 30. 1921 Patented June 10, 1924.

EDWARD J. CLO'BRIDGE, OF WATERTOWN, NEW YORK.

PLUMBERS COUPLING- OR UNION..

Application filed March 30, 1921. Serial No. 457,045.

To all whom it may concern:

Be it known that I, EDWARD J. CLOBRIDGE, of Watertown, in the county of Jefferson, in the State of New York, have invented new and useful Improvements in Plumbers Couplings or Unions, of which, the "following, taken in connection with the accompanying drawings, is a full, clear, and exact description.

This invention relates to an improved coupling or unionfor plumbers connection, as for an example, between a water closet and a flush tank or may be used in many other relations where a device of this character might be required.

The main object is to permit either of the fixtures to be uncoupled and removed without disturbing the other fixtures.

Another object is to secure liquid and gas pipe joints between the couplings and parts connected thereby.

Other objects and uses relating to specific parts of the device will be brought out in the following description:

In the drawings: 1

Figure 1 is a side elevation of the assembled parts of the coupling as used in the connection between a water closet bowl and a flush tank, portions of the latter being shown by dotted lines.

Figure 2 is an enlarged vertical sectional view of the same device and adjacent portions of the connect-ions in which it is placed.

Figure 3 is a top plan of the same device.

As illustrated, this coupling or union comprises a tubular sleeve or main body -1-, an internally threaded clamping collar 2, and a stop ring or tubular backing member -3, assembled in the manner presently described to form a part of the connection between certain fixtures commonly used in plumbing, as for example, a flush tank A and a water closet bowl -B.

The bottom of the fiush'tank A is provided with an opening a in which is tightly fitted one end of a tubular sleeve c having an annular flange cabutting against the under side of the bottom of the tank A and provided with a downwardly projecting externally threaded extension C for receiving one end of the coupling sleeve 1. r

The upper end of the coupling sleeve -1 is threaded internally and screwed upon the extension C, and is formed with an inwardly projecting annular shoulder 8 to form a suitable seat for a pack ing l which is impinged between said shoulder and the adjacent end of the extension C- when the sleeve is tightened thereon to form a liquid and gas tight joint.

The ring 3' is inserted into and projects below the extension C+ to enter the upper end of the sleeve ---1+ beyond the shoulder 8 to form a backing for the packing 4, and thereby to thorouglr ly protect the joint against leakage of gas or liquid, the lower end of said ring '-3 being crimped inwardly to form a stop shoulder 5 which is adapted to engage the'upper end of a pipe section 9 hav ing its outer end secured in the inlet of the bowl -B, said stop shoulder -5- serving to limit the downward movement of the sleeve 1 when the latter is detached from the pipe section c and moved downwardly with the packing -4 and ring -3 thereon.

The outer surface of the intermediate portion of the sleeve 1 is angular or ribbed in cross section to permit the application of a wrench or a similar tool thereto for tightening and loosing purposes. The lower end of said sleeve is reduced in diameter and threaded externally for receiving the internal threaded member -2 which is screwed thereon, the lower end of said collar or nut 2- being crimped inwardly to form an annular flange 10- for retaining a packing 11 and impinging the same against the lower end of the sleeve 1- when the nut or collar 2is tightened.

The pipe -9 is shown as provided with an elbow having an upturned end entering the lower end of the sleeve -1, and expanded slightly at the top to fit snugly against the inner walls of said sleeve below the lower edge of the band or ring -3: and to permit the sleeve 1 to be withdrawn downwardly wholly below the lower end of the pipe section c for attachment from said bushing, thereby permitting the removal of either of the fixtures A- or,

low the lower end of said member or until limited by the engagement of the shoulder 6 of the ring 3 with the upper end of the pipe 9-, as shown by dotted lines in Figure 2 whereupon the bowl B with the elbow 9 and collar 2-, and sleeve 1 thereon, may be detached from the tank A- and its pipe section 0 by lateral displacement without lowering or raising either of the pipe sections 0- or What I claim is:

The combination with two pipe sections having coaxial ends in axially spaced rela tion, the end of one section adjacent the other section being threaded externally, a coupling sleeve slidable telescopically upon the second named section to and from a position across the adjacent ends of both sections and threaded interiorly at one end for engaging the threaded pipe-section, the

on the interior of the sleeve near the internally threaded end thereof and movable therewith for engaging the adjacent end of the second named pipe-section and limiting the endwise movement of the sleeve when the latter is disengaged from the first named pipe-section. u

In witness whereof I have hereunto set my hand this 2 day of March 1921.

EDWARD J. CLOBRIDGE. Witnesses:

WILLIAM H. WAITE, IDA O. C. WILLIS, 

